Ganymede's trailing hemisphere from Voyager 2

This mosaic, composed of orange, blue, and violet images from Voyager 2, shows the trailing hemisphere of Ganymede.

NASA / JPL / Constantine Thomas

The prominent arc-shaped ridge system near the center-right of the image is Tiamat Sulcus, with the large Tammuz impact crater just west of its northern end displaying both bright- and dark-toned rays. The large, bright impact crater near the lower left of the mosaic is Punt.